Diff Report
Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::fields

Drupal\Core\Database\Query\Select::fieldsRun #519ff7de62889Run #519ff693b4ca2DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)547 549 2 0.4%
Incl. Wall Time (microsec) per call 68 69 0 0.4%
Excl. Wall Time (microsec)247 251 4 1.6%
Incl. CPU (microsecs)560 563 3 0.5%
Incl. CPU (microsecs) per call 70 70 0 0.5%
Excl. CPU (microsec)187 191 4 2.1%
Incl. MemUse (bytes)45,256 45,256 0 0.0%
Incl. MemUse (bytes) per call 5,657 5,657 0 0.0%
Excl. MemUse (bytes)3,856 3,856 0 0.0%
Incl. PeakMemUse (bytes)34,288 34,288 0 0.0%
Incl. PeakMemUse (bytes) per call 4,286 4,286 0 0.0%
Excl. PeakMemUse (bytes)6,424 6,424 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::fields [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Query\Select::fields0 N/A% 2 0.2% 3 0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function4 200.0% 4 133.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Entity\DatabaseStorageController::buildQuery0 N/A% 1 50.0% 0 0.0% 0 N/A% 0 N/A%
menu_local_tasks0 N/A% 1 50.0% 2 66.7% 0 N/A% 0 N/A%
Drupal\user\UserData::get0 N/A% 0 0.0% 2 66.7% 0 N/A% 0 N/A%
user_roles0 N/A% 0 0.0% -1 -33.3% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Query\Select::addField0 N/A% -2 -100.0% -1 -33.3% 0 N/A% 0 N/A%